Comfort Body Pillow White - Pregnancy Pillow Cover - Pillow Cover - Grey Jersey Replacement Cover For Comfort Body Pillow - For Pregnancy Pillow - Maternity Pillow Replaces three standard pillows and maintains its shape Supports 6 key areas; head, neck, back, shoulders, arms, and knees Reduces upper and lower back pain Promotes healthier circulation and proper spinal alignment Reduces pain relief for arthritis sufferers